Ring binder



FIG. 1 is a perspective view of a ring binder, in a partially open position, showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a front elevational view thereof, with the flap in an open position. 

The ornamental design for a ring binder, as shown. 